let obj = {
    name: '钟总',
    age: 18,
    like: {
        n: '金铲铲'
    },
    a: true,
    b: null,
    c: undefined,
    d: Infinity,
    e: -Infinity,
    f: NaN,
    g: Symbol(1),
    h: function () { }
}

obj.c = obj.like
obj.like.n = obj.c

let str = JSON.stringify(obj)
let res = JSON.parse(str)
// obj.age = 19
// obj.like.n = '王者'

console.log(res);
